Tubular filter element
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United States of America Patent
Stats
-
Apr 7, 1992
Grant Date -
N/A
app pub date -
May 22, 1990
filing date -
May 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubular filter element consisting of a filter leaf which is pleated and connected at both its fold ends to a hollow cylindrical filter body (F) both of whose front surfaces are sealed by end caps (11, 13), one end cap (13) of which opens, as a connection cap, the hollow core (10') for communication with a housing space (3) of a surrounding housing, the force flow guidance of the fluid to be treated takes place along the folds (10) through a tube (6', 5) which extends through the hollow core (10') of the filter body (F), rests on the fold edges of the filter body (F), is open at one end in the area of the fold range functioning as outlet or inlet (20), is tapered in the area of the fold range functioning as inlet or outlet (21) and forms a connection (5) for the recirculating flow of fluid coaxially to the connection cap (3) for the flow of fluid to be treated which cap establishes the housing communication.
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